4CK7

Pseudo-atomic model of microtubule-bound human kinesin-5 motor domain in presence of adp.alfx (NECK-LINKER IN ITS DISCONNECTED CONFORMATION, based on cryo-electron microscopy experiment


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3HQD 
experimental modelPDB 1JFF 
Sample
MICROTUBULE-BOUND HUMAN KINESIN-5 MOTOR DOMAIN
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification DetailsLIQUID ETHANE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles10692
Reported Resolution (Å)9.2
Resolution Method
Other DetailsTHE N-TERMINAL SEQUENCE WAS MODELLED USING MODELLER. THE DISCONNECTED CONFORMATION OF THE NECK-LINKER WAS CALCULATED USING A CONJUGATE-GRADIENT ENERGY ...THE N-TERMINAL SEQUENCE WAS MODELLED USING MODELLER. THE DISCONNECTED CONFORMATION OF THE NECK-LINKER WAS CALCULATED USING A CONJUGATE-GRADIENT ENERGY MINIMIZATION. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2533. (DEPOSITION ID: 12198).
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (3HQD, 1JFF)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsMETHOD--FLEXIBLE REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)18
Imaging Experiment1
Date of Experiment2011-03-10
Temperature (Kelvin)90
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)700
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGFlex-EM
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONFREALIGN
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
FREALIGN